Pluto is smaller than Russia.
9
More than 20 million meteoroids enter Earth's atmosphere every day.
139
The population of the Earth has more than doubled since 1950.
151
Jupiter's magnetosphere is the largest single structure inside the Solar System. If you could see it with your eyes, it would appear larger than our full Moon.
8
Astronauts cannot burp in space.
232
Only 55% of Americans know that the sun is a star.
986
If you went out into space, you would explode before you suffocated because there's no air pressure.
149
The heart of an astronaut actually gets smaller when in outer space.
216